A209456 - OEIS

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A209456 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`4`
`2`		`24`
`3`		`80`
`4`		`336`
`5`		`696`
`6`		`3360`
`7`		`676`
`8`		`24480`
`9`		`51220`
`10`		`171216`
`11`		`275568`
`12`		`1552320`
`13`		`1873816`
`14`		`969384`
`15`		`18722400`
`16`		`58383168`
`17`		`81841608`
`18`		`428096760`
`19`		`530008720`
`20`		`2687063904`
`21`		`617823440`
`22`		`13424019552`
`23`		`21605633376`
`24`		`130401532800`
`25`		`162655527004`
`26`		`532025081616`
`27`		`1223259207200`

[1,4,24,80,336,696,3360,676,24480,51220,171216, 275568,1552320,1873816,969384,18722400,58383168, 81841608,428096760,530008720,2687063904,617823440, 13424019552,21605633376,130401532800,162655527004, 532025081616,1223259207200]

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Last modified April 19 06:16 EDT 2024. Contains 371782 sequences. (Running on oeis4.)